EP4207028A1 - Kryptoast-blockchain-verarbeitungsvorrichtung, verarbeitungsverfahren, verarbeitungssystem und verarbeitungsprogramm - Google Patents

Kryptoast-blockchain-verarbeitungsvorrichtung, verarbeitungsverfahren, verarbeitungssystem und verarbeitungsprogramm Download PDF

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Publication number
EP4207028A1
EP4207028A1 EP21861592.0A EP21861592A EP4207028A1 EP 4207028 A1 EP4207028 A1 EP 4207028A1 EP 21861592 A EP21861592 A EP 21861592A EP 4207028 A1 EP4207028 A1 EP 4207028A1
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EP
European Patent Office
Prior art keywords
data
cryptographic asset
transaction
blockchain
transaction data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21861592.0A
Other languages
English (en)
French (fr)
Other versions
EP4207028A4 (de
Inventor
Yoshinori Seki
Junya Kondo
Takeshi Sugihara
Chiaki KAMIJO
Toshiyuki Abe
Toshihiko Murata
Masatake Toyota
Jitendra Kumar GAMBHIR
Goutham THANGARAJ
Astha Hareshbhai JADA
Noorah KAZI
Shingo Toda
Tarun Khurana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KPMG AZSA LLC
Original Assignee
KPMG AZSA LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2020145390A external-priority patent/JP7498067B2/ja
Application filed by KPMG AZSA LLC filed Critical KPMG AZSA LLC
Publication of EP4207028A1 publication Critical patent/EP4207028A1/de
Publication of EP4207028A4 publication Critical patent/EP4207028A4/de
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9024—Graphs; Linked lists
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/22—Payment schemes or models
    • G06Q20/223—Payment schemes or models based on the use of peer-to-peer networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
    • G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
    • G06Q20/3678—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes e-cash details, e.g. blinded, divisible or detecting double spending
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3827—Use of message hashing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401—Transaction verification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2101—Auditing as a secondary aspect

Definitions

  • transaction information of cryptographic assets such as Bitcoin can be acquired via the Internet using a block explorer (Non Patent Literature 1) such as BLOCKCHAIR.
  • a conventional block explorer can specify specific addresses or blocks one by one to obtain desired transaction information.
  • by accessing a blockchain in which transaction information of various cryptographic assets is recorded and acquiring the transaction information it is also possible to audit the transaction content on the basis of the transaction information (Patent Literature 1).
  • Patent Literature 1 JP 2018-525729 A
  • Non Patent Literature 1 BLOCKCHAIR, URL https://blockchair.com/ (Searched on August 27, 2020)
  • Sending a query for searching a blockchain using a conventional application programming interface (API) of a block explorer and receiving transaction information on the Internet may be watched (intercepted) by a third party.
  • API application programming interface
  • a third party For example, in a case where a plurality of queries for searching a blockchain using a block explorer is transmitted from a certain computer in a certain period on the Internet for the purpose of audit, a relationship between an IP address of the computer and an owner of the address (cryptographic asset account) or a plurality of addresses and the like belonging to the same owner are specified, and a plurality of addresses associated with each other (clustered), a content of the query, transaction information obtained as a search result, and the like can be easily associated with each other and may be misused.
  • transaction amount unit price of time when transaction is performed ⁇ transaction quantity
  • the present invention provides a cryptographic asset blockchain processing apparatus, a processing method, a processing system, and a processing program (hereinafter, referred to as a cryptographic asset blockchain processing apparatus or the like) that improve convenience of analysis of a large amount of data for an accounting audit or the like by collecting blockchain data generated by a plurality of different implementation methods, converting the data into data that can be analyzed, and processing transaction content such as a quantity, a unit price, and a partner of a transaction cryptographic asset into a standardized format.
  • the data storage apparatus is a cloud storage accessible by the cryptographic asset blockchain processing apparatus via a network.
  • the data collection unit operates in a static mode
  • the data collection unit operates in a dynamic mode
  • the data collection unit operates in an automatic collection mode
  • the blockchain data includes transaction data to which an identifiable block number is assigned,
  • the cryptographic asset blockchain processing apparatus further includes a data analysis unit, and
  • the cryptographic asset blockchain processing apparatus further includes a data analysis unit, and the data analysis unit calculates a balance for each address based on the transaction data and a result of a smart contract for each address that is a recording unit corresponding to a bank account number in the cryptographic asset blockchain.
  • the cryptographic asset blockchain processing apparatus further includes a consistency verification unit,
  • the consistency verification unit counts the number of transaction data for each sequence number with respect to transaction data having a sequence number of a belonging block, and compares the number counted of transaction data with the number of transactions recorded in block data to which the sequence number is assigned, and provides notification of an inconsistency of the block data in a case where there is a difference.
  • the cryptographic asset blockchain processing apparatus 10 is, for example, a server (computer), and illustratively includes a central processing unit (CPU) 11, a memory 12 including a read only memory (ROM), a random access memory (RAM), and the like, a bus 13, an input/output interface 14, an input unit 15, an output unit 16, a storage unit 17, and a communication unit 18.
  • CPU central processing unit
  • memory 12 including a read only memory (ROM), a random access memory (RAM), and the like
  • bus 13 an input/output interface 14
  • an input unit 15 an output unit 16
  • storage unit 17 storage unit 17
  • the CPU 11 executes various processes in accordance with programs recorded in the memory 12 or programs loaded from the storage unit 17 into the memory 12.
  • the CPU 11 can execute, for example, a program for causing a server (computer) to function as the cryptographic asset blockchain processing apparatus of the present invention.
  • a server computer
  • at least some functions of the cryptographic asset blockchain processing apparatus can be implemented in hardware by an application specific integrated circuit (ASIC) or the like.
  • the output unit 16 includes a display, a speaker, or the like, and outputs image data or audio data such as a still image or a moving image.
  • Image data and music data output by the output unit 16 are output from a display, a speaker, or the like as an image or music so as to be recognizable by the user.
  • the communication unit 18 implements communication with other devices.
  • the communication unit 18 can communicate with the information processing terminal 20 and the cloud storage 30 via the network N.
  • a drive (not illustrated) is appropriately provided in the cryptographic asset blockchain processing apparatus 10 as necessary.
  • a removable medium including a magnetic disk, an optical disk, a magnetooptical disk, a semiconductor memory, or the like is appropriately mounted on the drive.
  • the removable medium stores a program for accessing the cryptographic asset blockchain to collect blockchain data, and various data such as text data and image data. Programs and various data read from the removable medium by the drive are installed in the storage unit 17 as necessary.
  • FIG. 3 is a block diagram illustrating a configuration of the cryptographic asset blockchain processing apparatus according to an embodiment of the present invention.
  • the server functions as, for example, the cryptographic asset blockchain processing apparatus 10, and a data collection unit 111, a data conversion unit 112, a data analysis unit 113, and a consistency verification unit 114 function in hardware resources such as the memory 12 in addition to the CPU 11.
  • the three modes include a static mode, a dynamic mode, and an automatic collection mode.
  • a static mode In the static mode and the dynamic mode, blockchain data is collected by batch processing.
  • the number of data per batch (the number of data in which a transaction is recorded) is designated, and the cryptographic asset blockchain processing apparatus 10 can collect blockchain data according to the designated number of data. For example, in a case where the number of data for each batch is designated as 1000, 1000 pieces of blockchain data (that is, data in which a transaction is recorded) are collected, and the data can be stored in the blockchain data storage apparatus 171 by being divided for each folder.
  • the user of the cryptographic asset blockchain processing system executes a command of data collection, data conversion (data processing), or the like by the cryptographic asset blockchain processing apparatus 10 at an arbitrary timing, so that the cryptographic asset blockchain processing apparatus 10 can comprehensively aggregate transaction data up to a certain time point, calculate the balance of the cryptographic asset of the participant in the transaction at the timing, create balance data (TSV format, CSV format, and the like) for each address (recording unit corresponding to the bank account number in the blockchain), and save the balance data in the transaction data storage apparatus 172.
  • TSV format, CSV format, and the like for each address (recording unit corresponding to the bank account number in the blockchain
  • the cryptographic asset blockchain processing apparatus 10 sequentially verifies whether there is no duplication or missing in the block number (sequence number) of the block data (step S142), and when there is duplication or missing (No in step S142), the cryptographic asset blockchain processing apparatus notifies the user of a consistency error (for example, via the information processing terminal 20,) providing notification that there is inconsistency in the blocks included in the transaction data (step S145).
  • a consistency error for example, via the information processing terminal 20,
  • the cryptographic asset blockchain processing apparatus 10 counts the number of transactions related to the block data for each sequence number by using the sequence number of the associated block in each of the transaction data (step S143), compares the counted result (the number of transactions) with the number of transactions recorded in the block data ("tra_cnt" in Fig. 26 ) (step S144), and in a case where there is a difference (in a case where there is no match) (No in step S144), notifies the user (for example, via the information processing terminal 20,) of a consistency error providing notification that there is an inconsistency in the transactions included in the transaction data (step S145).
  • Fig. 27 is a schematic diagram illustrating a balance confirmation mechanism implemented by the cryptographic asset blockchain processing apparatus according to an embodiment of the present invention.
  • implementation methods of various cryptographic assets are different, and implementation versions are frequently updated.
  • the implementation of the cryptographic asset is updated, it is necessary to change the processing content such as data collection according to the update content of the implementation method of the cryptocurrency for the cryptographic asset blockchain processing apparatus (node) corresponding to the implementation method of the cryptographic asset, and in order to ensure consistency of the blockchain data, it is necessary to make the node always compatible with the latest version.
  • the cryptographic asset blockchain processing system provides a cryptographic asset fork checker.
  • the cryptographic asset blockchain processing apparatus 10 can notify the information processing terminal 20 of an alert (inconsistency) to notify the user.
  • the cryptographic asset blockchain processing apparatus or the like collects blockchain data (including blocks, transactions, and the like) of a cryptographic asset on an open network such as the Internet, accumulates the blockchain data for each type of the cryptographic asset in a computer (node) such as a server and a data storage apparatus under a private network environment in which a query or transaction information for a specific transaction is not intercepted by a third party, and converts the blockchain data into a data format suitable for analysis, so that it is possible not only to safely analyze the blockchain data and calculate a balance or the like for each address for audit but also to collect and analyze the blockchain data according to a plurality of different implementation methods of the cryptographic assets.
  • a computer node
  • a data storage apparatus under a private network environment in which a query or transaction information for a specific transaction is not intercepted by a third party
  • converts the blockchain data into a data format suitable for analysis so that it is possible not only to safely analyze the blockchain data and calculate a balance or the like for each address for audit but also
  • the cryptographic asset blockchain processing apparatus or the like according to the present invention can be used, for example, in an audit corporation to calculate a balance of the cryptographic asset for each address to be audited and support the audit.

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  • Engineering & Computer Science (AREA)
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  • Accounting & Taxation (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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  • Software Systems (AREA)
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  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Signal Processing (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Electrotherapy Devices (AREA)
  • Nonmetallic Welding Materials (AREA)
EP21861592.0A 2020-08-31 2021-08-25 Kryptoast-blockchain-verarbeitungsvorrichtung, verarbeitungsverfahren, verarbeitungssystem und verarbeitungsprogramm Pending EP4207028A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020145390A JP7498067B2 (ja) 2020-08-31 暗号資産ブロックチェーン処理装置、処理方法、処理システム及び処理プログラム
PCT/JP2021/031092 WO2022045168A1 (ja) 2020-08-31 2021-08-25 暗号資産ブロックチェーン処理装置、処理方法、処理システム及び処理プログラム

Publications (2)

Publication Number Publication Date
EP4207028A1 true EP4207028A1 (de) 2023-07-05
EP4207028A4 EP4207028A4 (de) 2024-01-10

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EP21861592.0A Pending EP4207028A4 (de) 2020-08-31 2021-08-25 Kryptoast-blockchain-verarbeitungsvorrichtung, verarbeitungsverfahren, verarbeitungssystem und verarbeitungsprogramm

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US (1) US20230318856A1 (de)
EP (1) EP4207028A4 (de)
AU (1) AU2021331139A1 (de)
WO (1) WO2022045168A1 (de)

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Publication number Priority date Publication date Assignee Title
EP3770779A1 (de) * 2019-07-24 2021-01-27 Christian Hieronimi Computerimplementierte verfahren zur handhabung von anfragen unter verwendung einer verteilten ledger-datenbank
CN117910025B (zh) * 2024-03-20 2024-05-24 神州数码融信云技术服务有限公司 一种金融服务数据安全存储保护方法

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EP3323080B1 (de) 2015-07-14 2020-11-04 Fmr Llc Recheneffiziente transferverarbeitungs-, prüf- und suchvorrichtungen, verfahren und systeme

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AU2021331139A1 (en) 2023-03-09
US20230318856A1 (en) 2023-10-05
JP2022040601A (ja) 2022-03-11
EP4207028A4 (de) 2024-01-10

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